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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2008 by Sun Microsystems, Inc.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org. If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_svx.hxx"
+
+#include "formfeaturedispatcher.hxx"
+
+#include <comphelper/namedvaluecollection.hxx>
+#include <tools/diagnose_ex.h>
+
+//........................................................................
+namespace svx
+{
+//........................................................................
+
+ using namespace ::com::sun::star::uno;
+ using namespace ::com::sun::star::lang;
+ using namespace ::com::sun::star::frame;
+ using namespace ::com::sun::star::beans;
+ using namespace ::com::sun::star::util;
+ using namespace ::com::sun::star::form::runtime;
+
+ //====================================================================
+ //= OSingleFeatureDispatcher
+ //====================================================================
+ //--------------------------------------------------------------------
+ OSingleFeatureDispatcher::OSingleFeatureDispatcher( const URL& _rFeatureURL, const sal_Int16 _nFormFeature,
+ const Reference< XFormOperations >& _rxFormOperations, ::osl::Mutex& _rMutex )
+ :m_rMutex( _rMutex )
+ ,m_aStatusListeners( _rMutex )
+ ,m_xFormOperations( _rxFormOperations )
+ ,m_aFeatureURL( _rFeatureURL )
+ ,m_nFormFeature( _nFormFeature )
+ ,m_bLastKnownEnabled( sal_False )
+ ,m_bDisposed( sal_False )
+ {
+ }
+
+ //--------------------------------------------------------------------
+ void OSingleFeatureDispatcher::dispose()
+ {
+ {
+ ::osl::MutexGuard aGuard( m_rMutex );
+ if ( m_bDisposed )
+ return;
+ }
+
+ EventObject aDisposeEvent( *this );
+ m_aStatusListeners.disposeAndClear( aDisposeEvent );
+
+ {
+ ::osl::MutexGuard aGuard( m_rMutex );
+ m_bDisposed = sal_True;
+ }
+ }
+
+ //--------------------------------------------------------------------
+ void OSingleFeatureDispatcher::getUnoState( FeatureStateEvent& /* [out] */ _rState ) const
+ {
+ _rState.Source = *const_cast< OSingleFeatureDispatcher* >( this );
+
+ FeatureState aState( m_xFormOperations->getState( m_nFormFeature ) );
+
+ _rState.FeatureURL = m_aFeatureURL;
+ _rState.IsEnabled = aState.Enabled;
+ _rState.Requery = sal_False;
+ _rState.State = aState.State;
+ }
+
+ //--------------------------------------------------------------------
+ void OSingleFeatureDispatcher::updateAllListeners()
+ {
+ ::osl::ClearableMutexGuard aGuard( m_rMutex );
+
+ FeatureStateEvent aUnoState;
+ getUnoState( aUnoState );
+
+ if ( ( m_aLastKnownState == aUnoState.State ) && ( m_bLastKnownEnabled == aUnoState.IsEnabled ) )
+ return;
+
+ m_aLastKnownState = aUnoState.State;
+ m_bLastKnownEnabled = aUnoState.IsEnabled;
+
+ notifyStatus( NULL, aGuard );
+ }
+
+ //--------------------------------------------------------------------
+ void OSingleFeatureDispatcher::notifyStatus( const Reference< XStatusListener >& _rxListener, ::osl::ClearableMutexGuard& _rFreeForNotification )
+ {
+ FeatureStateEvent aUnoState;
+ getUnoState( aUnoState );
+
+ if ( _rxListener.is() )
+ {
+ try
+ {
+ _rFreeForNotification.clear();
+ _rxListener->statusChanged( aUnoState );
+ }
+ catch( const Exception& )
+ {
+ OSL_ENSURE( sal_False, "OSingleFeatureDispatcher::notifyStatus: caught an exception!" );
+ }
+ }
+ else
+ {
+ ::cppu::OInterfaceIteratorHelper aIter( m_aStatusListeners );
+ _rFreeForNotification.clear();
+
+ while ( aIter.hasMoreElements() )
+ {
+ try
+ {
+ static_cast< XStatusListener* >( aIter.next() )->statusChanged( aUnoState );
+ }
+ catch( const DisposedException& )
+ {
+ OSL_ENSURE( sal_False, "OSingleFeatureDispatcher::notifyStatus: caught a DisposedException - removing the listener!" );
+ aIter.remove( );
+ }
+ catch( const Exception& )
+ {
+ OSL_ENSURE( sal_False, "OSingleFeatureDispatcher::notifyStatus: caught a generic exception while notifying a single listener!" );
+ }
+ }
+ }
+ }
+
+ //--------------------------------------------------------------------
+ void SAL_CALL OSingleFeatureDispatcher::dispatch( const URL& _rURL, const Sequence< PropertyValue >& _rArguments ) throw (RuntimeException)
+ {
+ ::osl::ClearableMutexGuard aGuard( m_rMutex );
+ checkAlive();
+
+ OSL_ENSURE( _rURL.Complete == m_aFeatureURL.Complete, "OSingleFeatureDispatcher::dispatch: not responsible for this URL!" );
+ (void)_rURL;
+
+ if ( !m_xFormOperations->isEnabled( m_nFormFeature ) )
+ return;
+
+ // release our mutex before executing the command
+ sal_Int16 nFormFeature( m_nFormFeature );
+ Reference< XFormOperations > xFormOperations( m_xFormOperations );
+ aGuard.clear();
+
+ try
+ {
+ if ( !_rArguments.getLength() )
+ {
+ xFormOperations->execute( nFormFeature );
+ }
+ else
+ { // at the moment we only support one parameter
+ ::comphelper::NamedValueCollection aArgs( _rArguments );
+ xFormOperations->executeWithArguments( nFormFeature, aArgs.getNamedValues() );
+ }
+ }
+ catch( const RuntimeException& )
+ {
+ throw;
+ }
+ catch( const Exception& )
+ {
+ DBG_UNHANDLED_EXCEPTION();
+ }
+ }
+
+ //--------------------------------------------------------------------
+ void SAL_CALL OSingleFeatureDispatcher::addStatusListener( const Reference< XStatusListener >& _rxControl, const URL& _rURL ) throw (RuntimeException)
+ {
+ (void)_rURL;
+ OSL_ENSURE( _rURL.Complete == m_aFeatureURL.Complete, "OSingleFeatureDispatcher::addStatusListener: unexpected URL!" );
+ OSL_ENSURE( _rxControl.is(), "OSingleFeatureDispatcher::addStatusListener: senseless call!" );
+ if ( !_rxControl.is() )
+ return;
+
+ ::osl::ClearableMutexGuard aGuard( m_rMutex );
+ if ( m_bDisposed )
+ {
+ EventObject aDisposeEvent( *this );
+ aGuard.clear();
+ _rxControl->disposing( aDisposeEvent );
+ return;
+ }
+
+ m_aStatusListeners.addInterface( _rxControl );
+
+ // initially update the status
+ notifyStatus( _rxControl, aGuard );
+ }
+
+ //--------------------------------------------------------------------
+ void SAL_CALL OSingleFeatureDispatcher::removeStatusListener( const Reference< XStatusListener >& _rxControl, const URL& _rURL ) throw (RuntimeException)
+ {
+ (void)_rURL;
+ OSL_ENSURE( _rURL.Complete == m_aFeatureURL.Complete, "OSingleFeatureDispatcher::removeStatusListener: unexpected URL!" );
+ OSL_ENSURE( _rxControl.is(), "OSingleFeatureDispatcher::removeStatusListener: senseless call!" );
+ if ( !_rxControl.is() )
+ return;
+
+ ::osl::MutexGuard aGuard( m_rMutex );
+ checkAlive();
+
+ m_aStatusListeners.removeInterface( _rxControl );
+ }
+
+ //--------------------------------------------------------------------
+ void OSingleFeatureDispatcher::checkAlive() const SAL_THROW((DisposedException))
+ {
+ if ( m_bDisposed )
+ throw DisposedException( ::rtl::OUString(), *const_cast< OSingleFeatureDispatcher* >( this ) );
+ }
+
+//........................................................................
+} // namespace svx
+//........................................................................